88789 has 2 divisors, whose sum is σ = 88790. Its totient is φ = 88788.

The previous prime is 88771. The next prime is 88793. The reversal of 88789 is 98788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87025 + 1764 = 295^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 88789 - 2⁷ = 88661 is a prime.

88789 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88729) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44394 + 44395.

It is an arithmetic number, because the mean of its divisors is an integer number (44395).

2⁸⁸⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

88789 is a deficient number, since it is larger than the sum of its proper divisors (1).

88789 is an equidigital number, since it uses as much as digits as its factorization.

88789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 40.

The square root of 88789 is about 297.9748311519. The cubic root of 88789 is about 44.6121398445.

Subtracting 88789 from its reverse (98788), we obtain a palindrome (9999).

The spelling of 88789 in words is "eighty-eight thousand, seven hundred eighty-nine".